ERROR No message body reader has been found for class, ContentType: application/json;charset=UTF-8' in CXF JAXRS

Issue

• We defined a REST Swagger contract and have a mix for GET / POST services. GET services are working fine but however when we hit the POST service and error 415 ( Unsupported Media Type ) is returned. We have defined Media Type ( application/json ) on the code but still its not able to recognize it.

• Also, we have an issue that when we post some request we get the error message :
  ERROR No message body reader has been found for class com.redhat.TestClass, ContentType: application/json;charset=UTF-8

• Here is the exception we see in the logs,

[               qtp859651165-27] JAXRSUtils                     ERROR No message body reader has been found for class com.redhat.TestClass, ContentType: application/json;charset=UTF-8
[               qtp859651165-27] WebApplicationExceptionMapper  WARN